National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
The influence of welding parameters on the quality and mechanical properties of the weld joint
Vlach, Jan ; Stejskal, Ondřej (referee) ; Kubíček, Jaroslav (advisor)
The Master´s thesis focuses on the possibilities of using MAG welding on carbon steel 1.1221(C60E) without using preheating. It researches the effect of basic welding parameters on the final characteristics with the goal being to find a welding seam without defects, without using preheating.
Stellite cladding on steel 1.4122
Daumer, Tomáš ; Stejskal, Ondrej (referee) ; Kubíček, Jaroslav (advisor)
Master‘s thesis describes issues of stainless steel welding. The analysis carries out the stainless steel‘s state of art in term of welding, chemical composition, physical and mechanical properties. Experimet is based on cladding of Stellite alloys to martensitic stainless steel X39CrMo17-1. The practical part describes the used devices and carries out evaluation of specifically designed heat input, macrostructure and hardness.
Kryomacerace v technologii bílých vín
Stejskal, Ondřej
The thesis deals with kryotechnology and wine production using kryotechnology and monitoring molar substances of wines produced by kryotechnology in comparison to classical production. The first part introduces the maceration of grapes for white wines and methods of maceration, then the factors that influence the maceration, the next section deals with the fabric composition of berries and eventually meet with kryotechnology and its methods. In the experimental part is a brief description of all the three varieties of which the experiment was performed. This is followed by a description of the conduct and methods of production well and finally this section is being set of analytical and sensory methods to be performed. In the results, we will learn what conclusions and opinions we have come here and see clearly expressed the results in graphs where it is clearly shown how the wine itself developed from primary production.

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2 Stejskal, Ondrej
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